NL6504835A - - Google Patents

Info

Publication number
NL6504835A
NL6504835A NL6504835A NL6504835A NL6504835A NL 6504835 A NL6504835 A NL 6504835A NL 6504835 A NL6504835 A NL 6504835A NL 6504835 A NL6504835 A NL 6504835A NL 6504835 A NL6504835 A NL 6504835A
Authority
NL
Netherlands
Application number
NL6504835A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to NL6504835A priority Critical patent/NL6504835A/xx
Publication of NL6504835A publication Critical patent/NL6504835A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/0052—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor with advancing shifting devices connected therewith
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D23/00—Mine roof supports for step- by- step movement, e.g. in combination with provisions for shifting of conveyors, mining machines, or guides therefor
    • E21D23/04—Structural features of the supporting construction, e.g. linking members between adjacent frames or sets of props; Means for counteracting lateral sliding on inclined floor
    • E21D23/0409—Aligning or guiding means for the supports or for the constitutive parts of the supports

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
NL6504835A 1965-04-15 1965-04-15 NL6504835A (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL6504835A NL6504835A (enrdf_load_stackoverflow) 1965-04-15 1965-04-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6504835A NL6504835A (enrdf_load_stackoverflow) 1965-04-15 1965-04-15

Publications (1)

Publication Number Publication Date
NL6504835A true NL6504835A (enrdf_load_stackoverflow) 1966-10-17

Family

ID=19792950

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6504835A NL6504835A (enrdf_load_stackoverflow) 1965-04-15 1965-04-15

Country Status (1)

Country Link
NL (1) NL6504835A (enrdf_load_stackoverflow)

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